/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */

package rpc

import (
	"io"
	"net"
)

// IsNetworkTimeoutErr returns whether the given error is a timeout error.
func IsNetworkTimeoutErr(err error) bool {
	// if it's a network timeout error
	opErr, ok := err.(*net.OpError)
	if ok {
		return opErr.Timeout()
	}

	return false
}

// IsNetworkClosed returns whether the session is shutdown by the peer.
func IsNetworkClosed(err error) bool {
	opErr, ok := err.(*net.OpError)
	if ok {
		return opErr.Err == io.EOF
	}

	return err == io.EOF
}
